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CVE-2026-67340

HighPublished

ArcadeDB before 26.7.2 Remote Code Execution via Trigger Scripts

Published: Aug 1, 2026
Updated: Aug 24, 2026
Assigning CNA: VulnCheck
Evidence observed: Aug 4, 2026

Primary CVSS

8.6/ 10High

nvd · CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS probability estimate

0.6%

Low · next 30 days

Percentile: 47.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

ArcadeDB before 26.7.2 (arcadedb-engine) allows trigger scripts to look up host classes in java.lang.* (via Java.type) because ScriptTriggerExecutor adds java.lang.* to the allowed packages. An authenticated user with UPDATE_SCHEMA permission can create a JavaScript trigger that invokes java.lang.Runtime.getRuntime().exec() (or ProcessBuilder), achieving OS command execution when the trigger fires.

Sources

CVE-2026-67340_exploitExploit
Post-auth RCE exploit for ArcadeDB via JavaScript trigger GraalVM sandbox escape, executing OS commands over HTTP API with reverse shell or blind command modes.

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